Modern & Durable Material: The laptop knapsack made from high quality, water resistant fabric polyester mix with finest vegan tech material at the front panel, lightweight, durable and wear-resistant. Durable metal zippers close and open smoothly, ensure a secure and long-lasting usage everyday or weekend. Also casual backpack with classic black look serve you well as a practical accessory and complements all your outfits. Waterproof back pack is a perfect choice for all your everyday adventures. Minimalist & Spacious: Small laptop backpack provide you an unexpectedly large storage space. A padded laptop sleeve with Velcro strap can hold 15.6 inch laptop also 15 inch, 14 inch and 13 inch computer/Macbook. Convenient main compartment with lot inner pockets, pen pockets and key fob serve for daily necessities, tech electronics accessories and other utensils.  Hidden side pocket can fix water bottle or compact umbrella, keep everything in order and stow away little bits and pieces. Unique & Multipurpose: A zipper front pocket and a hidden zipper pocket at backpacks front for the safe storage of valuables and completes the tech backpack, perfect to store ipad/tablet, phone, wallet, cards and other small items, very useful and trendy accessory. Size:350*140*450 MM, ideal to throw under your seat on an airplane or daily use at business, traveling, school,college,professional office work and other outdoor activities,suitable for women, men, boys,girls and students. Practical & Safety: The computer daily backpack backside comes with a luggage belt is great to slide over the luggage upright handle tube for easier carrying. Adjustable shoulder strap will keep the users comfortable when use this rucksack. Combine design and functionality, commuter backpack is a good companion for your everyday life or a day trip that can do much more than be carried on your shoulder. Comfort & Breathable: A multi-panel airflow foam-pad and breathable mesh cover the whole back panel of help business travel book bags for the air convection,ventilation and heat elimination. Comfortable widen breathable mesh shoulder straps with ample pad help relieve the stress of shoulder, barely feel the weight even you carry heavy books for a long time.